20158388

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{1217}}^1$

素因数の和:1363

約数の個数: 24

約数和(自身を含む): 36525384

約数和(自身を除く): 16366996

約数列:

[1, 2, 4, 41, 82, 101, 164, 202, 404, 1217, 2434, 4141, 4868, 8282, 16564, 49897, 99794, 122917, 199588, 245834, 491668, 5039597, 10079194, 20158388]

約数ペア:

[(1, 20158388), (2, 10079194), (4, 5039597), (41, 491668), (82, 245834), (101, 199588), (164, 122917), (202, 99794), (404, 49897), (1217, 16564), (2434, 8282), (4141, 4868)]